2 Charging your Bluetooth speakerphoneThis device is with built-in rechargeable battery&comma; It's strongly recommended to make it fully charge before using&period; Normal full charging time is 3hrs&period; &lpar;approx &rpar;Important Notice&lpar;1&rpar;&period; The charging LED indicator will have a short delay if the Bluetooth speakerphone is long-time non-occupied or power run out&period; &lpar;2&rpar;&period; In order to extend durability build-in battery and ensure the stability of speakerphone's performance&comma;it's recommended to charge the speakerphone immediately whenever low battery appeared-the LED indicator flash every 3 seconds in red color&period; Battery durability&comma;device stand-by time will be shorter if device is still used in case of low- battery &comma; also&comma; charging time will be 3 more hours than usual&period; Meanwhile&comma;it will shut down automatically soon under a very low battery condition&period;&lpar;3&rpar;&period; While charging&comma; The LED indicator will always light up in red color&comma; and will turn to blue color after charging complete&period;

3 No&sol;offVoice report of "Power On" and "Power Off"will be offered when press the ON&sol;OFF key&period;